Motor oil is made from crude oil and is used to lubricate, clean, and cool engines. This oil is fully synthetic; crude oil is not used in making it. Synthetic oil often provides superior mechanical performance over traditional motor oil, including increased gas mileage and reduced engine wear at extreme temperatures. Motor oil varies in weight and viscosity, as well as additives that some manufacturers add to the oil during the refining process. A numerical code system created by the Society of Automotive Engineers (SAE) grades motor oils according to viscosity, the higher the number between 0 and 60, the more viscous (thicker) the oil is. Most consumer motor oils are graded by two numbers, with the first number indicating cold weather (Winter or "W") performance. This oil has a weight of SAE 20W-50, meaning it has an SAE viscosity rating of 20 in cold temperatures and a rating of 50 at normal operating temperature. Racing oils are designed for track cars and other types of high-compression vehicles intended for motorsports competition. They contain particular additives for increased engine horsepower and reduced friction on metal parts, and provide special protection for engines with high compression or higher horsepower. Racing oils usually include fewer detergents than regular conventional motor oils. Royal Purple Extreme Performance Racing oil is extremely popular in all forms of motorsports, from NASCAR and NHRA to the World of Outlaws and the Bonneville Salt Flats. Professional engine builders and race teams have found increased horsepower and engine life by using Royal Purple extreme performance racing oil. Available in many grades for every type of racing. It contains Synerlec technology.

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